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A 1000 KVA generator is expected to carry a maximum load cuurent of how many amperes?

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Question ajoutée par Sunday Moses Zakka , Ginnery Engineering Manager , Olam Nig. ltd
Date de publication: 2015/04/10
Hazem Waddah
par Hazem Waddah , Head of Electrical Maintenance , ElRashidi ElMizan Confectionary

Well, looking to the equation of Power like follows:

 

Power (VA)          =            V (VOLT)        *                I (AMPERES)

Power (Watt)        =         Reactive Power      (VA)           *             COS   Φ      (POWER FACTOR)

 

First, you must know the loads that this generator is going to supply power to it in order to know at which power factor it will work. If this is hypothetical you can assume power factor that you don’t want to get below (0.85 for instance).

Second, you need to know at what voltage your loads are going to work at. If this is known to you then you the rest is simple.

Let’s take an example:

V =220

 

Cos Φ    =0.85

Then, Current is:

 

I = Power (KVA)/Volt =1000000/220 =4,545 A

 

In case of three phase, the equation becomes as follows:

I = Power (KVA)/(3*380) =1000000/(3*380) =1,519 A

Ratnesh Kumar verma Ratnesh
par Ratnesh Kumar verma Ratnesh , High voltage / medium voltage Technician , Saudi bin laden group

Eighty percent of total load capacity of generator.

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